203420311230242 has 32 divisors (see below), whose sum is σ = 324234349804800. Its totient is φ = 95533744033728.

The previous prime is 203420311230181. The next prime is 203420311230259. The reversal of 203420311230242 is 242032113024302.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6193163 + ... + 21099665.

It is an arithmetic number, because the mean of its divisors is an integer number (10132323431400).

Almost surely, 2^{203420311230242} is an apocalyptic number.

203420311230242 is a deficient number, since it is larger than the sum of its proper divisors (120814038574558).

203420311230242 is a wasteful number, since it uses less digits than its factorization.

203420311230242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14912930.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 203420311230242 its reverse (242032113024302), we get a palindrome (445452424254544).

The spelling of 203420311230242 in words is "two hundred three trillion, four hundred twenty billion, three hundred eleven million, two hundred thirty thousand, two hundred forty-two".